Difficulty

Easy

Steps

7

Time Required

                          20 - 30 minutes

Sections

2

  • Safety Precautions
  • 1 step
  • Compression Test
  • 6 steps

Flags

0

  • BackEcho Power Pruner, 25.4 cc PPT-2620 (2019)

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Introduction

What you need

Step 1

              Safety precautions
  • Flip the power switch into the STOP position.
  • Make sure the engine is cool to the touch before proceeding.

Flip the power switch into the STOP position.

Make sure the engine is cool to the touch before proceeding.

1024

Step 2

              Remove the spark plug cap
  • Pull the spark plug cap straight off of the spark plug.

Pull the spark plug cap straight off of the spark plug.

Step 3

              Remove the spark plug
  • Use a 5/8-inch spark plug socket to remove the spark plug from the engine.

Use a 5/8-inch spark plug socket to remove the spark plug from the engine.

Step 4

              Check the spark plug for wear
  • Check if the spark plug is fouled and replace it if necessary.
  • The spark plug pictured in this step is in new condition.

Check if the spark plug is fouled and replace it if necessary.

The spark plug pictured in this step is in new condition.

Step 5

              Connect a compression tester
  • Follow the instruction provided with your compression test kit to connect a compression tester to the cylinder.

Follow the instruction provided with your compression test kit to connect a compression tester to the cylinder.

Step 6

              Test compression
  • Pull the starter 5–10 times to build pressure in the combustion chamber.

Pull the starter 5–10 times to build pressure in the combustion chamber.

Step 7

  • Read the compression gauge.
  • Pressure should read 125–165 psi (8.6–11.4 bar).

Read the compression gauge.

Pressure should read 125–165 psi (8.6–11.4 bar).

To reassemble your device, follow these instructions in reverse order.

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                    Sam Omiotek

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